76545493 has 8 divisors (see below), whose sum is σ = 77352800. Its totient is φ = 75742128.

The previous prime is 76545487. The next prime is 76545533. The reversal of 76545493 is 39454567.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 76545493 - 2⁹ = 76544981 is a prime.

It is a super-2 number, since 2×76545493² = 11718424997226098, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76545473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51955 + ... + 53407.

It is an arithmetic number, because the mean of its divisors is an integer number (9669100).

Almost surely, 2^76545493 is an apocalyptic number.

It is an amenable number.

76545493 is a deficient number, since it is larger than the sum of its proper divisors (807307).

76545493 is a wasteful number, since it uses less digits than its factorization.

76545493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1971.

The product of its digits is 453600, while the sum is 43.

The square root of 76545493 is about 8749.0281174540. The cubic root of 76545493 is about 424.5933697778.

The spelling of 76545493 in words is "seventy-six million, five hundred forty-five thousand, four hundred ninety-three".